S7010 ACE/P4ADBB
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7010 ACE/P4ADBB
Basic Information
System of measurement
Metric
Weight
0.52 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
32 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5445 lbf
Radial static load rating
4500 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7010 ACE/P4ADBB Bearing Product Overview & Core Advantages
The S7010 ACE/P4ADBB is a precision duplex angular contact ball bearing designed for applications requiring exceptional rotational accuracy and rigidity. This back-to-back (DB) matched pair configuration is preloaded to Light / Class B standards, delivering superior system stiffness and minimizing axial and radial runout. Engineered to handle combined loads (radial and axial) simultaneously, it is ideal for high-speed, high-precision machinery where reliability and performance are critical. The P4A tolerance class ensures ultra-precise dimensions and running accuracy.
S7010 ACE/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
The model designation S7010 ACE/P4ADBB provides detailed technical specifications:
- S7010: Basic bearing series and size designation (10mm bore x 80mm OD x 32mm width).
- ACE: Signifies 25° contact angle and standard internal clearance.
- P4A: Denotes a super-precision tolerance class for both dimensional and running accuracy.
- DBB: Indicates the bearings are supplied as a Duplex Back-to-Back matched set.
S7010 ACE/P4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The back-to-back duplex arrangement creates a rigid bearing system that effectively resists moment loads, making it exceptionally stable under complex loading conditions.
- Superior Load Capacity: With a 25° contact angle and optimized internal geometry, this bearing efficiently supports significant combined radial and axial loads.
- High-Speed Capability: The lightweight phenolic resin cage and precision-ground chrome steel components enable smooth operation at high rotational speeds, with a limiting speed of 46,000 rpm.
- Precision Performance: Manufactured to P4A super-precision tolerances, this bearing ensures minimal vibration and exceptional running accuracy for demanding applications.
- Sealed & Lubricated for Life: The bearing is sealed and pre-lubricated with grease, offering protection against contamination and providing maintenance-free operation within its specified temperature range.
S7010 ACE/P4ADBB Bearing Typical Application Areas
This high-precision duplex bearing is ideally suited for:
- Machine Tool Spindles (high-speed milling, grinding, and turning centers)
- Precision Gearboxes and Transmission Systems
- High-Frequency Spindles for PCB drilling and routing
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Positioning Systems
